US7828023B2 - Device for loading a vessel with solid particles and method using said device - Google Patents

Device for loading a vessel with solid particles and method using said device Download PDF

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Publication number
US7828023B2
US7828023B2 US11/660,141 US66014105A US7828023B2 US 7828023 B2 US7828023 B2 US 7828023B2 US 66014105 A US66014105 A US 66014105A US 7828023 B2 US7828023 B2 US 7828023B2
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Prior art keywords
duct
vessel
loading
flexible
ramp
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Expired - Fee Related, expires
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US11/660,141
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US20080149215A1 (en
Inventor
Thierry Patureaux
Nicolas Dromard
Bernard Cottard
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Total Marketing Services SA
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Total Raffinage Marketing SA
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Assigned to TOTAL FRANCE reassignment TOTAL FRANCE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: COTTARD, BERNARD, DROMARD, NICOLAS, PATUREAUX, THIERRY
Publication of US20080149215A1 publication Critical patent/US20080149215A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
    • B65G11/203—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids for articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B01J8/003—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor in a downward flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B65G11/06—Chutes of helical or spiral form
    • B65G11/066—Chutes of helical or spiral form for bulk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G11/00—Chutes
    • B65G11/20—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids
    • B65G11/206—Auxiliary devices, e.g. for deflecting, controlling speed of, or agitating articles or solids for bulk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/16—Preventing pulverisation, deformation, breakage, or other mechanical damage to the goods or materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00743—Feeding or discharging of solids
    • B01J2208/00752—Feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00743—Feeding or discharging of solids
    • B01J2208/00769—Details of feeding or discharging
    • B01J2208/00778—Kinetic energy reducing devices in the flow channel

Definitions

  • the present invention relates to a device and a method for loading a vessel, especially a large vessel, the height of which may be up to several tens of meters, with solid particles whose physical integrity must be maintained.
  • the device and the method according to the invention apply more particularly to the loading of fixed-bed reactors, of the chemical, electrochemical, petroleum or petrochemical type, with solid particles that may be in the form of beads, grains, cylinders, disks or rods, or in any other form, provided that they are of relatively small dimensions.
  • the solid particles are in particular relatively fragile solid particles that do not well withstand a free fall from a height of several meters.
  • inert beads generally made of a ceramic, which are loaded into fixed catalyst bed chemical reactors.
  • Applicant does not mean to be limited to this particular application since the device and the method according to the invention may be used for introducing any other type of particulate material into a vessel.
  • These beads generally have a diameter of less than 5 cm and they form, on the base of the reactor—or at any other point therein, for example on the bed support tray in the case of a dual catalyst bed reactor—a bed with a thickness possibly exceeding two meters.
  • Loading by individually introducing bags or buckets filled with beads into the reactor, which are then emptied by an operator on the bottom of the reactor, constitutes a technique that is very reliable but too slow to be normally exploitable.
  • Another technique consists in loading the beads using a flexible duct, with a diameter from 10 to 20 cm, operating fully laden, that is to say filled with beads from one end to the other.
  • the operator distributes the beads over the bottom of the reactor, by manually adjusting the diameter of the opening at the lower end of the duct while moving the latter within the reactor.
  • This method which does not guarantee almost 100% success in loading intact balls, also runs the risk of a major accident happening to the operator. This is because, should the opening system be improperly handled or should the flexible duct supporting a substantial load be torn or disconnected, it may drop or empty, completely and suddenly. This not only results in the beads breaking but poses a considerable safety risk for the operator.
  • the Applicant has recently proposed, in its patent application FR 2 829 107, a sinuous or helical semirigid duct in which the beads descend by rolling along the internal face of the duct, it being possible to regulate the speed of descent and therefore the kinetic energy at the end of travel via the gradient of the slope.
  • the device described in that application is completely satisfactory both from the standpoint of the rate of loading and the filling quality, but it has the drawback of several size-related problems. Specifically, the sinuous or helical shape of the device and the relative rigidity of the material of the duct make it difficult to transport the device and to install and disconnect it through the manhole of the reactor.
  • the Applicant was set the objective of providing a device for loading a reactor with solid particles that has the advantages, but not the drawbacks, of the device described in FR 2 829 107; in other words, a device for introducing, onto the bottom of a vessel, at a high rate, relatively fragile particles without breaking them, said device taking up a small amount of space, equivalent to that of a straight duct as described above.
  • one subject of the present invention is a device for introducing solid particles into a vessel, especially into a chemical reactor, comprising a duct, which is preferably flexible and cylindrical, the particles flowing through said duct from the top down, characterized in that it further includes, inside the duct, at least one helical ramp fastened to and wound around a central shaft, said ramp having a width such that the distance between its outer edge and the flexible duct is smaller than the size of the solid particles to be introduced.
  • Another subject of the invention is a method of loading a vessel, especially a large reactor, with solid particles using such an introduction device.
  • Each of the helical ramps of the device of the invention receives the solid particles introduced via the upper end of the duct, stopping or preventing said particles from falling freely in the duct by making them slide or roll, under the effect of gravity, at a speed that essentially depends on the slope of said ramp.
  • This device thus makes it possible for the kinetic energy imparted to the particles during their descent in the duct to be limited in a controlled manner, by modifying several of the parameters of said duct, such as the slope of the helical ramp(s) and/or the number, length and/or spacing of the zones of the duct containing such a helical ramp, or else the pitch of the helical ramp(s), it being possible for these parameters to be modified separately or in combination.
  • the space requirement of the device according to the invention is determined by the external dimensions of the flexible duct surrounding the helical ramp, and is consequently identical to that of a conventional flexible duct and smaller than that of a sinuous or helical duct as described in FR 2 829 107.
  • the operational safety of a device according to the invention is considerably higher compared with that of a conventional flexible duct as it does not generally operate fully laden, thereby considerably reducing the weight of beads or particles present in the duct at any one time.
  • the weight of the beads or particles to be loaded is not, as is the case with a conventional straight flexible duct, supported only by the flexible duct but mainly by the helical ramp that is fastened to the upper part of the reactor by a suspension mechanism independent of that of the duct. The risk of the flexible duct tearing or becoming disconnected is thus considerably reduced.
  • the central shaft bearing the helical ramp may be made of a rigid material, for example of a metallic material or a thermoplastic or thermosetting resin, or made of a relatively flexible material, for example a plasticized resin or an elastomer, or else a composite material, such as a fiber-reinforced or textile-reinforced rubber or resin.
  • This central shaft may for example take the form of a tube or solid rod.
  • the ends of the central shaft may also be mounted on pivots so as to allow said shafts to rotate freely under the weight of the beads while they are being loaded, thus making it possible to speed up said loading.
  • Automating the rotation using a motor for example a pneumatic motor, may also be envisaged.
  • the central shaft is formed by a plurality of shaft elements, which are flexible or rigid, these being articulated one with respect to another.
  • This articulation is particularly beneficial when the central shaft is a relatively rigid tube or rod, as it then advantageously increases the overall flexibility of the device and makes it easier to handle.
  • the design of a central shaft made up of several elements articulated one with respect to another also allows the length of the device to be adjusted according to the height of the reactor, or allows the device to be progressively shortened as said reactor fills up with particles.
  • each of the articulated elements is preferably between 5 centimeters and 5 meters, depending on the type of reactor to be loaded.
  • the articulation of these elements bearing the helical ramp is preferably accomplished by intermediate elements, or articulation elements.
  • These intermediate elements are preferably flexible elements which do not form an obstacle to the free fall of the solid particles, inside the flexible duct, between two helical ramps.
  • the beads or particles to be loaded thus pass, in succession and alternately, through zones in which they slide or roll along a helical ramp and in zones in which they are in free fall.
  • the length of the free-fall zones has an influence on the filling rate. The higher the proportion and the greater the length of the free-fall zones, the higher the filling rate. The length of the free-fall zones must however not exceed an upper limit value, above which there is a risk of the beads or particles breaking or becoming damaged. This maximum length of the intermediate elements depends, of course, on the fragility of the objects to be loaded. The Applicant has found that intermediate elements with a length between 5 centimeters and 5 meters, preferably between 0.5 and 3 meters, generally allow rapid filling with a very low bead breakage rate.
  • the overall proportion of all the free-fall zones relative to the total length of the device according to the invention is preferably between 20 and 80%, in particular between 40 and 70%.
  • intermediate elements examples include slings, ropes, cables, chains or flexible tubes, bearing, at each of their ends, suitable means for fastening them to the shaft elements bearing a helical ramp.
  • the helical ramp may be made of any material of sufficient rigidity for supporting the weight of the beads or particles. This may be a sheet of metal, plastic or rubber, or else a brush-type system.
  • the helical ramp has a brush-like structure, the number and the rigidity of the bristles that form the brush being sufficient to support the weight of the particles to be introduced when the loading rate is at maximum.
  • the bristles may be inserted into a suitable element, which can be bonded, welded or fastened in another way to the central shaft.
  • the helical ramp is a brush formed by crimping resin bristles into a U-shaped section, said section then being welded to a central metal shaft, preferably a metal tube.
  • a brush-type helical ramp may also be envisaged in which the bristles are held between two rods wound one with respect to the other, the helix formed by the two wound rods constituting the central shaft of a bottle brush-type structure.
  • the helical ramp of the device according to the present invention is preferably a single helix, but it is also possible to envisage double or multiple helixes.
  • the screw pitch, which determines the slope of the ramp, and consequently the speed at which the particles roll or slide, is preferably between 5 and 100 cm, preferably between 15 and 80 cm.
  • the outer edge of the latter is preferably in contact with the flexible duct.
  • a certain gap may be tolerated between the outer edge and the duct, but, as already indicated, this distance must be significantly smaller than the mean dimension of the particles so as to prevent them from falling via the edge of the ramp.
  • the flexible duct may be made of any material having sufficient mechanical strength to withstand being torn during the loading process.
  • it may be a textile material, preferably knitted or woven, or else a sheet of plastic, optionally reinforced by fibers or by a textile material.
  • the term “flexible duct” is understood in the present invention to mean not only a duct capable of being completely flattened when it is empty, but also a semirigid duct reinforced by rigid annular elements placed at regular intervals, which elements allow the duct to adopt a curvature but prevent it from being flattened.
  • the inside diameter of the flexible duct surrounding the helical ramps and the intermediate elements preferably does not exceed a few tens of centimeters and is in particular between 50 and 400 mm, preferably between 100 and 200 mm.
  • the loading device is made up of a number of modules, each module comprising (i) a flexible duct segment and (ii) a segment incorporating a central shaft bearing a helical ramp and, optionally, (iii) an intermediate element, as described above.
  • the length of a flexible duct segment (i) is preferably substantially identical to the length of the segment (ii) containing a central shaft or to the overall length of the segment (ii) containing a central shaft and of the intermediate element (iii).
  • the various modules are fastened together both by concatenation of the internal elements (central shaft with helical ramp and intermediate element) and by joining the ends of the flexible duct segments.
  • Suitable fastening and joining means are known in the art, and a person skilled in the art will have no trouble in choosing those that are suitable.
  • the internal elements may be connected together by appropriate attachment systems and the flexible duct segments may for example be connected by collars joining together flanges provided at the ends of each of the flexible duct segments.
  • the flexible duct (or a flexible duct segment) includes, over part or all of its length, two straight folds which are diametrically opposed to one another and closed at their base by a line of stitches each fold defining a band extending radially to the outside of the duct.
  • the lateral bands thus created on each side of the duct make it easier to grip the duct and also serve for inserting additional fastening means, such as eyelets. Such additional fastening means must not in fact be located in the flexible duct itself, as this would increase the risk of it tearing.
  • the loading device according to the present invention is used in a method for loading solid particles into large vessels.
  • This method comprises:
  • the vessel is preferably a reactor, generally a cylindrical reactor with a height between 15 and 30 meters and a diameter between 3 and 4 meters. To load such a reactor, it is necessary for an operator to be on the bottom of the reactor at the lower end of the loading device, so as to distribute the particles exiting via the lower end of said device over the entire surface of the bottom of the vessel or of the loading front.
  • the reactor may also be a multitube reactor consisting of a plurality of vertical tubes, each having a similar diameter.
  • the filling device is used without the flexible duct surrounding the internal elements (central shaft with helical ramp and intermediate element).
  • the helical ramps fastened to and wound around a central shaft, and also the intermediate elements are introduced directly into the tubes of the reactor, the walls of which therefore fulfill the function of the flexible duct, which is absent in this embodiment, consisting in preventing the beads or particles from dropping via the outer edge of the helical ramp.
  • the width of the helical ramp will preferably be chosen so that the distance between the outer edge of the ramp and the wall of the reactor is smaller than the size of the solid particles to be introduced.
  • FIG. 1 is a perspective view of a portion of a helical ramp of a device according to the invention, surrounded by a flexible duct, seen in cross section;
  • FIG. 2 is a schematic view of a preferred embodiment of the device according to the invention, with two helical ramps;
  • FIG. 3 is a perspective view of a preferred embodiment of a flexible duct used in the device according to the invention.
  • FIG. 4 is a sectional view of a module of a loading device according to the invention.
  • FIG. 5 is a sectional view showing the attachment of a device according to the invention in the upper part of the vessel.
  • FIG. 1 shows a portion of a device according to the present invention, with a helical wrap ( 2 ) fastened to and wound around a central shaft ( 3 ) which here is a solid rod.
  • the helical ramp may be bonded or welded via its base to the central rod.
  • This spiral structure is encased by a flexible duct ( 1 ).
  • This duct has a diameter such that the distance between the outer edge ( 4 ) of the helical ramp and the duct is smaller than the size of the particles to be loaded.
  • the outer edge ( 4 ) of the ramp ( 2 ) may be in rubbing contact with the internal surface of the flexible duct.
  • FIG. 2 illustrates schematically the concatenation of two shaft elements ( 6 ), each bearing a helical ramp ( 2 ) and separated by an intermediate element ( 5 ).
  • the intermediate element ( 5 ) is connected to the shaft elements ( 6 ) by an articulation means ( 8 ), for example a ring/hook system, allowing the device to be easily and rapidly fitted and/or unfitted.
  • an articulation means ( 8 ) for example a ring/hook system
  • FIG. 3 shows a preferred embodiment of the flexible duct ( 1 ) used in the present invention.
  • the flexible duct includes two straight folds ( 7 a, 7 b ), diametrically opposed to one another and closed at their base by one or more lines of stitches ( 8 ).
  • Each fold defines a lateral band ( 9 a, 9 b ) that extends toward the outside of the duct.
  • One or more eyelets ( 10 ) may be provided in each lateral band. These eyelets are used for attaching the flexible duct in the upper part of the reactor (see FIG. 5 ) or to ensure secure fastening of the various modules of the device according to the invention (see FIG. 4 ).
  • the width of the lateral bands is not a key factor, but it is generally between 3 and 10 cm.
  • the lateral bands may be lined with a reinforcing strip (not shown), which is bonded or fastened by additional lines of stitches.
  • the flexible duct has not been manufactured as a single component, as in FIG. 2 , but is made up of several flexible duct segments ( 1 a ), only one of which is shown here.
  • This segment includes two lateral bands ( 9 a , 9 b ) formed by straight folds, as explained in FIG. 3 .
  • a series of eyelets ( 10 ) is placed along each lateral band.
  • the duct segment ( 1 a ) includes, at each of its ends, a flange ( 11 ) fastened to the duct segment ( 1 a ) by a clamping collar ( 12 ).
  • the lower flange of a first duct segment may be fastened to the upper flange of the next flange segment by means of a quick-fit fastener ( 13 ).
  • the first and last eyelets ( 10 ) of each lateral band ( 9 a , 9 b ) are used for attaching a security cable ( 14 ) intended to prevent the lower module from becoming disconnected if the system for joining the duct segments together, formed by the flanges ( 11 ), the clamping collar ( 12 ) and the quick-fit fastener ( 13 ), were to fail.
  • FIG. 5 illustrates another possible way of attaching the device of the present invention in the upper part of the reactor.
  • a hopper ( 14 ) is installed in the manhole of a reactor and firmly fastened to the upper part of the latter.
  • An adapter ( 15 ) is attached at the lower edge of the hopper ( 14 ).
  • a transverse attachment bar ( 16 ) is provided in the adapter.
  • the flexible duct ( 1 ) is fastened by a clamping collar ( 17 ) to the adapter ( 15 ) and also attached via a suspension system ( 18 ) to the upper part of the reactor.
  • the central shaft ( 3 ) bearing the helical ramp ( 2 ) is attached via a hook ( 19 ) to the transverse bar ( 16 ) of the adapter ( 15 ).
  • One of the ducts was in accordance with the present invention of the type described with reference to FIGS. 1 to 4 . It consisted of a cylindrical sheath made of woven cotton with a thickness of 2 mm and an inside diameter of 140 mm. Said duct was formed from eight modules 2 m in length, each of these modules consisting of a flexible sheath and, inside the flexible sheath, two internal elements of equal length, that is to say a cable as intermediate element and a shaft element in the form of a hollow tube with a diameter of 35 mm, made of ordinary steel.
  • the helical ramp supported by the hollow tube had a brush-like structure formed by crimping resin bristles into a U-shaped section welded to the central metal shaft.
  • the intermediate elements and the shaft elements equipped with helical ramps were conventionally joined together via their ends using snap clasps.
  • the helix pitch of the helical ramp was 300 mm, corresponding to a slope of 45°, i.e. preferably between 10° and 80° and even more preferably between 20° and 60°.
  • the other duct was a flexible cylindrical sheath, of 125 mm inside diameter, suspended vertically, in which the beads were left to drop in free fall.
  • a metal plate simulating the bottom of the reactor was placed 1 m from the lower end of each duct.
  • the mass of the beads used was the following:
  • the percentage of intact beads is almost 100% with the duct according to the invention, while it varies between 65% and 90% with the flexible duct according to the prior art.
  • this device and this method are however not limited to this application, but may also be used for loading or unloading a vessel with solid particles, such as catalyst particles, the integrity and the physical qualities of which have to be preserved.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Chutes (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Basic Packing Technique (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
US11/660,141 2004-08-13 2005-08-05 Device for loading a vessel with solid particles and method using said device Expired - Fee Related US7828023B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0408875 2004-08-13
FR0408875A FR2874212B1 (fr) 2004-08-13 2004-08-13 Dispositif de chargement d'une enceinte avec des particules solides et procede utilisant ce dispositif
PCT/FR2005/002035 WO2006021662A1 (fr) 2004-08-13 2005-08-05 Dispositif de chargement d'une enceinte avec des particules solides et procede utilisant ce dispositif

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US20080149215A1 US20080149215A1 (en) 2008-06-26
US7828023B2 true US7828023B2 (en) 2010-11-09

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US (1) US7828023B2 (fr)
EP (2) EP1781557A1 (fr)
JP (1) JP5345315B2 (fr)
CN (1) CN101006000B (fr)
AT (1) ATE469064T1 (fr)
AU (1) AU2005276360B2 (fr)
BR (1) BRPI0514344A (fr)
CA (1) CA2575950C (fr)
DE (1) DE602005021556D1 (fr)
DK (1) DK1939115T3 (fr)
ES (1) ES2345172T3 (fr)
FR (1) FR2874212B1 (fr)
PL (1) PL1939115T3 (fr)
PT (1) PT1939115E (fr)
WO (1) WO2006021662A1 (fr)
ZA (1) ZA200701161B (fr)

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US20130248025A1 (en) * 2010-12-27 2013-09-26 Total Raffinage Marketing Light-weight device for loading solid particles
US20150208678A1 (en) * 2014-01-27 2015-07-30 Brush Solutions, LLC Scrubber System
US9486764B2 (en) 2012-10-17 2016-11-08 IFP Energies Nouvelles System for dense loading of catalyst into bayonet tubes for a steam reforming exchanger-reactor using removable helical elements

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US20090089184A1 (en) * 2007-09-28 2009-04-02 Embarq Holdings Company, Llc Content portal for media distribution
US9156574B2 (en) * 2007-09-28 2015-10-13 Han-Tek, Inc. Apparatus for and method of filling container with similar articles
NL1034894C2 (nl) * 2008-01-08 2009-07-13 Unidense Technology Gmbh Inrichting voor het geheel of gedeeltelijk vullen van een houder.
US9149778B2 (en) 2010-05-24 2015-10-06 Extundo Incorporated Device and method for dispensing catalyst pellets
US9138709B2 (en) 2010-05-24 2015-09-22 Extundo Incorporated Device and method for dispensing pellets
KR20130077842A (ko) * 2010-05-24 2013-07-09 엑스턴도 인코포레이티드 반응기 용기에 촉매를 로딩하는 장치
US9127425B2 (en) * 2013-03-14 2015-09-08 Meyer Products, Llc Granular spreader assembly
FR2996782B1 (fr) * 2012-10-17 2015-10-16 IFP Energies Nouvelles Systeme de chargement dense du catalyseur dans des tubes a baionnette pour reacteur echangeur de vaporeformage faisant appel a des deflecteurs amovibles
EP3015163B1 (fr) 2014-10-31 2020-09-30 Petroval Procédé de chargement de particules en céramique dans un réacteur vertical
CN105173780A (zh) * 2015-10-20 2015-12-23 北京首钢国际工程技术有限公司 一种用于料仓的旋转溜槽进料装置
DK201500657A1 (en) * 2015-10-23 2016-09-05 Haldor Topsoe As Catalyst Loading Method and Apparatus
CN105647455B (zh) * 2015-12-31 2018-10-02 佛山市金银河智能装备股份有限公司 一种聚氨脂胶粘剂连续自动生产线和生产方法
EP3408017B1 (fr) * 2016-01-28 2024-01-17 T.I.M.E. Service Catalyst Handling GmbH Dispositif et méthode de remplissage d'un tuyau avec des matieres sous forme de particules
CN106053332B (zh) * 2016-06-15 2018-12-04 浙江海洋大学 柔性纤维插入装置
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CN109516369B (zh) * 2018-12-04 2020-04-07 内蒙古工业大学 一种物料下落缓冲装置
CN109607034B (zh) * 2018-12-29 2019-11-22 清华大学 一种球形物下落缓冲装置
EP3950114B1 (fr) * 2019-03-29 2023-06-07 Mitsubishi Chemical Corporation Procédé de chargement de substance granulée
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US9255659B2 (en) * 2010-12-27 2016-02-09 Total Raffinage Marketing Light-weight device for loading solid particles
US9486764B2 (en) 2012-10-17 2016-11-08 IFP Energies Nouvelles System for dense loading of catalyst into bayonet tubes for a steam reforming exchanger-reactor using removable helical elements
US20150208678A1 (en) * 2014-01-27 2015-07-30 Brush Solutions, LLC Scrubber System
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CN101006000A (zh) 2007-07-25
ATE469064T1 (de) 2010-06-15
CN101006000B (zh) 2013-01-30
US20080149215A1 (en) 2008-06-26
EP1939115A3 (fr) 2008-08-13
CA2575950A1 (fr) 2006-03-02
DK1939115T3 (da) 2010-09-13
WO2006021662A1 (fr) 2006-03-02
EP1939115A2 (fr) 2008-07-02
EP1939115B1 (fr) 2010-05-26
PL1939115T3 (pl) 2010-10-29
ES2345172T3 (es) 2010-09-16
AU2005276360A1 (en) 2006-03-02
CA2575950C (fr) 2012-10-09
JP2008509002A (ja) 2008-03-27
FR2874212A1 (fr) 2006-02-17
JP5345315B2 (ja) 2013-11-20
EP1781557A1 (fr) 2007-05-09
ZA200701161B (en) 2008-07-30
FR2874212B1 (fr) 2008-02-01
AU2005276360B2 (en) 2010-07-29
DE602005021556D1 (de) 2010-07-08
PT1939115E (pt) 2010-07-26

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